Repair
Repair Price: $ 1,332.00
Purchase
CSL Part Number: 83388
Product Overview: The Welder Interface Board (Miller P/N 196254) is the main control board for the Syncrowave 350LX TIG welder. It manages welding output control, high-frequency arc starting, digital display functions, and user interface inputs. The board features an 87C196KC microcontroller with EPROM firmware, voltage and current feedback circuits, and display drivers for seven-segment LEDs. It interfaces with the welder's power section to regulate TIG and stick welding modes, pre-flow and post-flow timing, and other welding parameters specific to the Syncrowave 250 DX and 350 LX series.
Category: Welders
Manufacturer: Miller Electric
Manufacturer Part Number: 196254
Series: Miller Syncrowave 250 DX / 350 LX Welder
Common Failures
Customers often report issues such as the high frequency interface not engaging, output failure, unresponsive buttons, and displays missing segments. Another notable issue is the inability to stick weld while maintaining TIG welding capability.
Repair Approach
Repairs may involve replacing defective components such as capacitors, EEPROMs, voltage regulators, and display segments. Preventative maintenance may include resoldering connections and replacing capacitors. Diagnostic checks are performed to verify voltage and current feedbacks and address firmware issues as needed.
Testing & Quality
Following repair, devices undergo testing including burn-in tests with and without load. Functional testing in a welder is performed to verify that the equipment operates correctly. Testing at various levels is conducted to confirm the reliability of repairs.
Service and repair your broken Miller Electric part
We can repair your Miller Electric model 196254 in our facility. Let our skilled technicians get your Miller Electric back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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